Home / 451,080.48-622,464.30-247,090.62

Finding the Fourth Proportional to 451,080.48, 622,464.30 and 247,090.62

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Solution

The fourth proportional to 451,080.48, 622,464.30 and 247,090.62 is: 340,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,080.48 : 622,464.30 = 247,090.62 : x
  2. Step 2: Convert to fraction form
    451,080.48/622,464.30 = 247,090.62/x
  3. Step 3: Cross multiply
    451,080.48x = 622,464.30 × 247,090.62
  4. Step 4: Simplify right side
    451,080.48x = 153,805,089,814.87
  5. Step 5: Solve for x
    x = 153,805,089,814.87/451,080.48
  6. Step 6: Final answer
    x = 340,970.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.